1-Adamantanecarboxylic acid828-51-330 % similar DL-α-Methylphenylalanine1132-26-930 % similar 2-(4-Ethylphenyl)-2-methylpropanoic acid1247119-83-030 % similar Alpha-Methyl-D-phenylalanine17350-84-430 % similar α-Methyl-L-phenylalanine23239-35-230 % similar ETC 1002738606-46-730 % similar 1-[(tert-Butoxycarbonyl)amino]cyclopropanecarboxylic acid88950-64-530 % similar